Home / 31,578.48-47,250.96-25,979.76

Finding the Fourth Proportional to 31,578.48, 47,250.96 and 25,979.76

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Solution

The fourth proportional to 31,578.48, 47,250.96 and 25,979.76 is: 38,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.48 : 47,250.96 = 25,979.76 : x
  2. Step 2: Convert to fraction form
    31,578.48/47,250.96 = 25,979.76/x
  3. Step 3: Cross multiply
    31,578.48x = 47,250.96 × 25,979.76
  4. Step 4: Simplify right side
    31,578.48x = 1,227,568,600.57
  5. Step 5: Solve for x
    x = 1,227,568,600.57/31,578.48
  6. Step 6: Final answer
    x = 38,873.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.